Built-in amplifier with adjustable gain control Unique ball and socket design Indoor AntennaFeatures:1) Frequency range: 470 - 863MHz2) ... manufacture high frequency wireless network transceiver products, covering indoor and outdoor TV antennas, , outdoor UHF ANTENNAS, ... aerials, UHF/VHF/FM antenna, Antenne extérieur, indoor antenne, Zimmerantenne Antenne, AMPLIFICADOR ANTENA INTERIOR,amolificador,Yagi ...